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SN74ALS113ADR

更新时间: 2024-11-25 02:58:47
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德州仪器 - TI /
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4页 55K
描述
DUAL J-K NEGATIVE-EDGE-TRIGGERED FLIP-FLOPS WITH PRESET

SN74ALS113ADR 数据手册

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SN54ALS113A, SN74ALS113A  
DUAL J-K NEGATIVE-EDGE-TRIGGERED FLIP-FLOPS  
WITH PRESET  
SDAS200 – D2661, APRIL 1982 – REVISED MAY 1986  
Fully Buffered to Offer Maximum isolation  
SN54ALS113A . . . J PACKAGE  
SN74ALS113A . . . D OR N PACKAGE  
from External Disturbance  
(TOP VIEW)  
Package Options Include Plastic Small  
Outline Packages, Ceramic Chip Carriers,  
and Standard Plastic and Ceramic 300-mil  
DIPs  
V
1
2
3
4
5
6
7
14  
13  
12  
11  
10  
9
1 CLK  
1K  
1J  
1PRE  
1Q  
CC  
2CLK  
2K  
2J  
2PRE  
2Q  
Dependable Texas Instruments Quality and  
Reliability  
1Q  
GND  
TYPICAL POWER  
DISSIPATION  
PER FLIP-FLOP  
TYPICAL MAXIMUM  
CLOCK FREQUENCY  
TYPE  
2Q  
8
’ALS113A  
40 MHz (C =15 pF)  
6 mW  
L
SN54ALS113A . . . FK PACKAGE  
(TOP VIEW)  
description  
These devices contain two independent J-K  
negative-edge-triggered flip-flops. A low level at  
the Preset input sets the outputs regardless of the  
levels of the other inputs. When Preset PRE is  
inactive (high), data at the J and K inputs meeting  
the setup time requirements are transferred to the  
outputs on the negative-going edge of the clock  
pulse. Clock triggering occurs at a voltage level  
and is not directly related to the fall time of the  
clock pulse. Following the hold time interval, data  
at the J and K inputs may be changed without  
affecting the levels at the outputs. These versatile  
flip-flops can perform as toggle flip-flops by tying  
J and K high.  
3
2
1
20 19  
18  
2K  
1J  
NC  
4
5
6
7
8
NC  
2J  
17  
16  
15  
14  
1PRE  
NC  
NC  
2PRE  
1Q  
9 10 11 12 13  
NC–No internal connection  
logic symbol  
The SN54ALS113A is characterized for operation  
over the full military temperature range of 55°C  
to 125°C. The SN74ALS113A is characterized for  
operation from 0°C to 70°C.  
4
3
S
1PRE  
1J  
5
1Q  
1J  
1
2
C1  
1K  
1CLK  
1K  
FUNCTION TABLE  
6
9
8
1Q  
2Q  
2Q  
INPUTS  
OUTPUTS  
10  
PRE  
L
CLK  
J
X
L
K
X
L
Q
Q
2PRE  
2J  
X
H
L
11  
13  
H
Q
Q
0
0
2CLK  
2K  
H
H
L
L
H
L
12  
H
H
H
X
L
H
H
H
X
TOGGLE  
H
H
Q
Q
0
0
This symbol is in accordance with ANSI/IEEE Std 91-1984 and  
IEC Publication 617-12.  
Pin numbers shown are for D, J, and N packages.  
Copyright 1986, Texas Instruments Incorporated  
5BASIC  
PRODUCTION DATA information is current as of publication date.  
Products conform to specifications per the terms of Texas Instruments  
standard warranty. Production processing does not necessarily include  
testing of all parameters.  
1
POST OFFICE BOX 655303 DALLAS, TEXAS 75265  

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